30721002

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{393859}}^1$

素因数の和:393877

約数の個数: 16

約数和(自身を含む): 66168480

約数和(自身を除く): 35447478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 393859, 787718, 1181577, 2363154, 5120167, 10240334, 15360501, 30721002]

約数ペア:

[(1, 30721002), (2, 15360501), (3, 10240334), (6, 5120167), (13, 2363154), (26, 1181577), (39, 787718), (78, 393859)]